Alternative Usage

This configuration is more performant, but you cannot run single test anymore (only the complete suite).

The above configuration generates a webpack bundle for each test. For many testcases this can result in many big files. The alterative configuration creates a single bundle with all testcases.

files:[

// only specify one entry point

// and require all tests in there

'test/test_index.js'

],

preprocessors:{

// add webpack as preprocessor

'test/test_index.js':['webpack']

},

// test/test_index.js

// require all modules ending in "_test" from the

// current directory and all subdirectories

var testsContext =require.context(".",true,/_test$/);

testsContext.keys().forEach(testsContext);

Every test file is required using the require.context and compiled with webpack into one test bundle.

Source Maps

You can use the karma-sourcemap-loader to get the source maps generated for your test bundle.

npm install --save-dev karma-sourcemap-loader

And then add it to your preprocessors

preprocessors:{

'test/test_index.js':['webpack','sourcemap']

}

And tell webpack to generate sourcemaps

webpack:{

// ...

devtool:'inline-source-map'

}

Options

This is the full list of options you can specify in your Karma config.

webpack

Webpack configuration.

webpackMiddleware

Configuration for webpack-dev-middleware.

beforeMiddleware

beforeMiddleware is a webpack option that allows injecting middleware before
karma's own middleware are run. This loader provides a webpackBlocker
middleware that will block tests from running until code recompiles. That is,
given this scenario:

Have a browser open on the karma debug page (http://localhost:9876/debug.html)

Make a code change

Refresh

Without the webpackBlocker middleware karma will serve files from before
the code change. With the webpackBlocker middleware the loader will not serve
the files until the code has finished recompiling.

Note that the beforeMiddleware option is only supported in karma with version >1.0.

Maintainers

LICENSE

The MIT License (MIT)

Copyright (c) 2014 - 2016 Tobias Koppers

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.